SVPWM控制时双向Z源逆变器电容电压纹波分析

doi:10.19595/j.cnki.1000-6753.tces.161107

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Abstract With simple SPWM strategy, the capacitor voltage ripple of Z-source inverters keeps constant. However, the voltage ripple is related to the phase angle of reference vector under SVPWM, so its derivation is complex. It is considered if the inductance of Z-source is large the capacitor voltage ripple is traditionally independent of the inductance, while if it is small, the capacitor voltage is related to the inductance. The critical inductance and capacitor voltage ripple are also derived in this paper. Simulations and experimental results have verified these theoretical findings.

Key words： SVPWM Z-source inverter critical inductance voltage ripple

Published: 16 January 2018

PACS:

TM46

Fund:国家自然科学基金资助项目（51361130153）

Corresponding Authors: 张千帆男,1974年生,教授,博士生导师,研究方向为电机控制及电力电子相关技术。E-mail: zhang_qianfan@hit.edu.cn

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	Dong Shuai
	Zhang Qianfan
	Wang Rui
	Zhu Chunbo
	Cheng Shukang

Cite this article:

Dong Shuai,Zhang Qianfan,Wang Rui等. Analysis of Capacitor Voltage Ripple for Bi-Directional Z-Source Inverters Based on SVPWM[J]. Transactions of China Electrotechnical Society, 2017, 32(24): 107-114.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.161107 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I24/107

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